# 通过下标遍历
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for i in range(0, len(a)):
	a[i] += 1
print(a)
# 范围for?
for e in a:
	e += 1
	print(e)
print(a)
